In 2016, a star KIC 8462852 caught the world’s attention due to a paper by citizen scientists who noticed its seemingly unexplainable brightness variations. The forward theory was offered – […]
Technosignature
Posted inAstronomy & Telescopes, Imaging & Spectroscopy, Intelligence & Language, SETI & Technosignatures, Status Report
The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope
The quest for radio signals from technologically-advanced extraterrestrial intelligence has traditionally concentrated on the vicinity of 1.4 GHz.
Posted inAstropharmacy / Biotechnology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Intelligence & Language, Science Fiction, SETI & Technosignatures, Status Report
Technosignatures: Did WISE Detect Dyson Spheres/Structures Around Gaia-2MASS-selected Stars?
Soon after the release of the WISE all-sky catalogue of 500 million mid-infrared (IR) objects, suggestions were made that it could be used to search for extrasolar devices constructed by […]
Posted inAI - Data - Apps - Cybernetics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Intelligence & Language, Interstellar, Nanotechnology & SynBio, Panspermia, Press Release, Science Fiction, SETI & Technosignatures
The Human Genome Has Been Stored On An Everlasting Memory Crystal
University of Southampton scientists have stored the full human genome on a 5D memory crystal – a revolutionary data storage format that can survive for billions of years. The team […]
![Quantum communication with Q > 0, over distance L, is impossible at wavelengths where the horizontal line corresponding to L lies within the blue shaded region (summarizing the Milky Way ISM’s extinction curve). Gray regions are off limits from the ground. Adapted from [23, 26], with data from [30–37]. -- quant-ph](https://i0.wp.com/astrobiology.com/wp-content/uploads/2024/09/On-Interstellar-Quantum-Communication.png?resize=1200%2C715&ssl=1)
Posted inIntelligence & Language, Interstellar, SETI & Technosignatures, Status Report
On Interstellar Quantum Communication And The Fermi Paradox
Since it began Cocconi Morrison, the search for extraterrestrial intelligence (SETI) has focused on interstellar classical communication. Recently, Berera:2020rpl pointed out that, at certain frequencies, photon qubits can retain their […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, SETI & Technosignatures, Status Report, TRAPPIST-1
A Radio Technosignature Search Of TRAPPIST-1 With The Allen Telescope Array
Planet-planet occultations (PPOs) occur when one exoplanet occults another exoplanet in the same system as seen from the Earth’s vantage point. PPOs may provide a unique opportunity to observe radio […]
Posted inBiosignatures & Paleobiology, Gaia - Planetary Perspectives, Intelligence & Language, SETI & Technosignatures, Status Report
Projections of Earth’s Technosphere. I. Scenario modeling, Worldbuilding, and Overview of Remotely Detectable Technosignatures
This study uses methods from futures studies to develop a set of ten self-consistent scenarios for Earth’s 1,000-year future, which can serve as examples for defining technosignature search strategies.
Posted inAstronomy & Telescopes, SETI & Technosignatures, Status Report
An Extragalactic Widefield Search For Technosignatures With The Murchison Widefield Array
It is common for surveys that are designed to find artificial signals generated by distant civilizations to focus on galactic sources.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report, Stellar Cartography
Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal
The Ohio State University Big Ear radio telescope detected in 1977 the Wow! Signal, one of the most famous and intriguing signals of extraterrestrial origin. Arecibo Wow! is a new […]
Posted inAI - Data - Apps - Cybernetics, Astronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
A Novel Technosignature Search In The Breakthrough Listen Green Bank Telescope Archive
The Breakthrough Listen program is, to date, the most extensive search for technological life beyond Earth.